Is Ritual Guardian legal in Standard, Modern, and Commander?

Ritual Guardian is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Ritual Guardian

Q: What type of card is Ritual Guardian?

Ritual Guardian is a Creature — Human Soldier. Its oracle text reads: "Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, this creature gains lifelink until end of turn."

Creature — Human Soldier

Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, this creature gains lifelink until end of turn.

Set Innistrad: Midnight Hunt

Rarity Common

Mana Value 3

Artist Denman Rooke

Collector # 30

Scryfall Gatherer